Endress+Hauser PROline prosonic flow 93 Documentation Technique page 24

Operation via
HART handheld
I
O
DXR 275*** * (Ex version, I1
only for intrinsically safe
current circuits)

Ultrasonic transmitter Prosonic Flow 93 in:
EEx de [ia] IIC/IIB T6 or EEx d [ia] IIC/IIB T6
PROline Ex d housing in IP 67
PROline Ex d housing in: EEx d resp. EEx de
(an appropriate cable entry is to be selected, depending on
the explosion protection type)
Flow measuring sensors Prosonic Flow P (Clamp On) in:

EEx ib IIC/IIB T1-T6
Sensor housing in IP 68
For ambient and medium temperature ranges,
and temperature class, see Page 3.
The interconnection of components
II2(1)G EEx ia/ib IIC/IIB.
For number references 
2
Hazardous area
II2G
➄
➁
➄
➂
➄
➃
Zone 1
Hazardous area
and with sensors


and  see on Page 16.
➀
r
➅
Esc
- + E
➆
➀
r
➅
Esc
- + E
➆
➀
r
➅
Esc
- + E
➆
 Sensor velocity measuring sensors Prosonic Flow DDU 18
(Clamp On) in:
EEx ib IIC/IIB T1-T6
Sensor housing in IP 68
Wall thickness measuring sensor Prosonic Flow DDU 19

(Clamp On) in:
EEx ib IIC/IIB T6
Sensor housing in IP 67
 For safety reasons the max. cable length is 30 m.
For interconnection between transmitter and sensors only
prefabricated Endress+Hauser cables shall be used.
Replace defective cables with new cables.
, or forms the intrinsically-safe system of code
  
PROline Prosonic Flow 93
II3G
Operation via
HART handheld
DXR 275 (only for
non-intrinsically safe
current circuits)
EX
Zone 2
Endress+Hauser
Safe area
I
O
EX
Safe area